leaudio: Fix authorization on MCS/TBS after unbonding

When new LeAudio device pairs, MCS and TBS are in special mode allowing
to do CCC writes and reads before LeAudio is fully connected.

It is not behaving the same when doing unbond and bond again without
disabling Bluetooth as MCS and TBS keeps authorization state to REJECT.

This patch fixes that

Bug: 321089661
Bug: 323339440
Test: atest LeAudioServiceTest
Change-Id: I88f3996cee76fa65590fb9de825856e85a57adf0